Gentlemen Prefer BlondesLARGE PRINT EDITION. Gentlemen Prefer Blondes: The Intimate Diary of a Professional Lady (1925) is a novel by Anita Loos. Adapted from a series of stories written for Harper's Bazaar, Gentlemen Prefer Blondes was an astounding success for Loos, who had been mired for over a decade as a screenwriter in Hollywood and New York. An immediate bestseller, the novel earned praise from leading writers and critics of its time, and has been adapted several